Besides ChipGenius there are another couple tools recommended (that may - or may not - be able to identify the actual chip), please check the above page and try running also the other recommended tools (and post results):

has a number of tools, usually there are several versions of a "same" tool in various versions, rule of the thumb, once identified the proper tool, is to check if a different version contains more documents about their use.

Additionally, there is a common issue with Alcor Micro devices using not the "standard" Vid 058F and PId 6387, see: